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Topic: simple strong acid weak base rx  (Read 6316 times)

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Offline nlong8

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simple strong acid weak base rx
« on: April 22, 2009, 07:42:34 PM »
H2SO4 + Mg(OH)2 -->  ?
 When they don't completely dissociate into salt and water  I feel kind of lost,  can someone please help?
nate

Offline UG

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Re: simple strong acid weak base rx
« Reply #1 on: April 22, 2009, 07:49:38 PM »
It's an acid-base/neutralisation reaction, one of the products will be water.
Can you work out the other one?  :)

Offline nlong8

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Re: simple strong acid weak base rx
« Reply #2 on: April 22, 2009, 08:51:39 PM »
i think its  MgSO3 and h2o

H2SO4+Mg(OH)2---> 2H20 + MgSO4
but i thought it may b diff beacuse Mg(OH) is not a strong base

Offline nlong8

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Re: simple strong acid weak base rx
« Reply #3 on: April 22, 2009, 08:52:28 PM »
Sorry about  the typos and shorthand...i have tons to do :)

Offline UG

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Re: simple strong acid weak base rx
« Reply #4 on: April 22, 2009, 09:02:55 PM »
i think its MgSO3 and H2O

H2SO4+Mg(OH)2---> 2H2O + MgSO4
but i thought it may b diff beacuse Mg(OH)2 is not a strong base
Well is it MgSO3 or MgSO4? You've got two different answers. ???

Offline leve

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Re: simple strong acid weak base rx
« Reply #5 on: April 22, 2009, 09:13:31 PM »
but i thought it may b diff beacuse Mg(OH) is not a strong base

Mg(OH)2 is not a strong base but the reactions taking place are still the dissociation of H2SO4 and Mg(OH)2 even if Mg(OH)2 does not dissociate completely.

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